222122332212 has 96 divisors (see below), whose sum is σ = 586434086784. Its totient is φ = 64842048000.

The previous prime is 222122332181. The next prime is 222122332277. The reversal of 222122332212 is 212233221222.

222122332212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268138 + ... + 718430.

It is an arithmetic number, because the mean of its divisors is an integer number (6108688404).

Almost surely, 2^222122332212 is an apocalyptic number.

222122332212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222122332212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293217043392).

222122332212 is an abundant number, since it is smaller than the sum of its proper divisors (364311754572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222122332212 is a wasteful number, since it uses less digits than its factorization.

222122332212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450449 (or 450447 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

Adding to 222122332212 its reverse (212233221222), we get a palindrome (434355553434).

It can be divided in two parts, 22212233 and 2212, that added together give a triangular number (22214445 = T₆₆₆₅).

The spelling of 222122332212 in words is "two hundred twenty-two billion, one hundred twenty-two million, three hundred thirty-two thousand, two hundred twelve".